A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

Over 80% of exoplanetary systems with three or more planets exhibit a "peas-in-a-pod" architecture, characterized by similarly sized planets closely spaced and orbiting near their star. A new study ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

Space scientists look back on 30 years of exoplanet discoveries — from rows of massive ‘super-Earths‘ to worlds with ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...

Our solar system is a smashing success. A new study suggests that from its earliest period—even before the last of its ...

Scientists say this does not include more than 8,000 additional candidate planets awaiting confirmation. The post NASA estimates we have 6,000 planets outside our solar system appeared first on Talker ...

Astronomers have discovered seeds of rocky planets forming in the gas around the baby sunlike star providing *** peek into the start of our own solar system. The the thing that we've discovered is ...